9 Utility Patents
#419 in Naperville, IL
#8,443 in Illinois
#224,235 in US
#457,239 in the World
Forward Citations = 196
Company Filing History:
American Telephone & Telegraph Co., At&t Bell Laboratories


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#419 in Naperville, IL
#8,443 in Illinois
#224,235 in US
#457,239 in the World
Company Filing History:


Get your Inventor Badge Today